Reasoning Tools Open weights

Reasoning-optimized 398B MoE agent model with extended thinking for long-horizon and multi-turn tool use

arcee-ai/trinity-large-thinking 2026-04-01 524.288K context $0.25/M input $0.9/M output
5 providers
Tools Open weights

Lightly post-trained 398B MoE chat model for creative work, long-context prompts, and tool-using agents

arcee-ai/trinity-large-preview 2026-01-27 524.288K context Input not listed Output not listed
1 provider